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1. IN A TRAILER FRAME CONSTRUCTION OF THE CHARACTER DESCRIBED, A PAIR OF PARALLEL MAIN SUPPORT MEMBERS IN HORIZONTAL SPACED RELATION AND A PLURALITY OF PAIRS OF HORIZONTALLY SPACED CROSS MEMBERS DISPOSED IN PERPENDICULAR RELATION TO SAID MAIN SUPPORT MEMBERS, SAID MAIN SUPPORT MEMBERS BEING OF "C" CONFIGURATION IN CROSS SECTION OPENING INWARDLY AND HAVING AN UPPER AND LOWER LIP PORTIONS EXTENDING DOWNWARDLY, A PLURALITY OF PAIRS OF CROSS MEMBERS DISPOED IN SPACED PERPENDICULAR RELATION TO SAID MAIN SUPPORT MEMBERS, EACH MEMBER OF SAID PAIR VERTICALLY DISPOSED IN SPCED RELATION, THE UPPER MEMBER OF EACH OF SAID PAIR OF CROSS MEMBERS BEING INTEGRALLY JOINED TO THE UPPER LIP PORTIONS OF EACH OF
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1. IN A TRAILER FRAME CONSTRUCTION OF THE CHARACTER DESCRIBED, A PAIR OF PARALLEL MAIN SUPPORT MEMBERS IN HORIZONTAL SPACED RELATION AND A PLURALITY OF PAIRS OF HORIZONTALLY SPACED CROSS MEMBERS DISPOSED IN PERPENDICULAR RELATION TO SAID MAIN SUPPORT MEMBERS, SAID MAIN SUPPORT MEMBERS BEING OF "C" CONFIGURATION IN CROSS SECTION OPENING INWARDLY AND HAVING AN UPPER AND LOWER LIP PORTIONS EXTENDING DOWNWARDLY, A PLURALITY OF PAIRS OF CROSS MEMBERS DISPOED IN SPACED PERPENDICULAR RELATION TO SAID MAIN SUPPORT MEMBERS, EACH MEMBER OF SAID PAIR VERTICALLY DISPOSED IN SPCED RELATION, THE UPPER MEMBER OF EACH OF SAID PAIR OF CROSS MEMBERS BEING INTEGRALLY JOINED TO THE UPPER LIP PORTIONS OF EACH OF
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