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94271819 U S Patent Office Des 218857 29 Sep 1970 Northrop P 530 Patent Application 29 Sep 1970

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94271819 U S Patent Office Des 218857 29 Sep 1970 Northrop P 530 Patent Application 29 Sep 1970

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Page 1: 94271819 U S Patent Office Des 218857 29 Sep 1970 Northrop P 530 Patent Application 29 Sep 1970
Page 2: 94271819 U S Patent Office Des 218857 29 Sep 1970 Northrop P 530 Patent Application 29 Sep 1970