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发明名称
Dusting composition
摘要
申请公布号
US2166122(A)
申请公布日期
1939.07.18
申请号
US19370178879
申请日期
1937.12.09
申请人
BOYCE ALFRED M
发明人
BOYCE ALFRED M.
分类号
A01N25/10;A01N33/22
主分类号
A01N25/10
代理机构
代理人
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地址
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