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Photosensitive diazotype materials
US 3,272,629 A
Filed
: 01/25/1962
Issued
: 09/13/1966
Est. Priority Date
: 01/25/1962
Status: Expired due to Term
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13
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3
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13 Citations
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Current Assignee
Henry C. Hills
Original Assignee
Henry C. Hills
Inventors
Hills, Henry C.
Application Number
US04/168,813
Time in Patent Office
1,692 Days
Field of Search
US Class Current
430/138
CPC Class Codes
G03C 1/52
Compositions containing dia...
G03F 1/68
Preparation processes not c...
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