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公开(公告)号：US3053771A
公开(公告)日：1962-09-11
申请号：US2725260
申请日：1960-05-06
Applicant: CALIFORNIA RESEARCH CORP
Inventor： TOLAND WILLIAM G , SCHIATTER MAURICE J
CPC classification number: C11D1/22 , C11D3/3427 , C11D3/3472
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