Beta irradiation method and means
First Claim
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1. AN OPHTHALMIC APPLICATOR WHICH HAS RADIOACTIVE MATERIAL WHICH CONSISTS SUBSTANTIALLY WHOLLY OF RADIUM D AND RADIUM E AND RADIUM F, SAID APPLICATOR HAVING FILTER MEANS WHICH ARE PERMEABLE SUBSTANTIALLY ONLY TO BETA RAYS EMITTED AT THE ENERGY LEVEL OF THE BETA RAYS EMITTED BY RADIUM E.
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1 Claim
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1. AN OPHTHALMIC APPLICATOR WHICH HAS RADIOACTIVE MATERIAL WHICH CONSISTS SUBSTANTIALLY WHOLLY OF RADIUM D AND RADIUM E AND RADIUM F, SAID APPLICATOR HAVING FILTER MEANS WHICH ARE PERMEABLE SUBSTANTIALLY ONLY TO BETA RAYS EMITTED AT THE ENERGY LEVEL OF THE BETA RAYS EMITTED BY RADIUM E.
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