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发明名称
Process for indicating the presence of toxic substances
摘要
申请公布号
US1949466(A)
申请公布日期
1934.03.06
申请号
US19290332235
申请日期
1929.01.12
申请人
DEUTSCHE GESELLSCHAFT FUR SCHADLINGS-BEKAMPFUNG, M. B. H.
发明人
GASSNER LUDWIG
分类号
A01N25/00;A01N25/32
主分类号
A01N25/00
代理机构
代理人
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地址
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