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公开(公告)号：US2079793A
公开(公告)日：1937-05-11
申请号：US67100233
申请日：1933-05-13
Applicant: STANCO INC
Inventor： DONLAN THEODORE R
CPC classification number: C11D3/43 , C23G5/02 , Y10S516/03
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公开(公告)号：US2096885A
公开(公告)日：1937-10-26
申请号：US69461933
申请日：1933-10-21
Applicant: STANCO INC
Inventor： DONLAN THEODORE R
CPC classification number: A01N65/00
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