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发明名称
Powder tamping and retrieving implement
摘要
申请公布号
US3079832(A)
申请公布日期
1963.03.05
申请号
US19600049527
申请日期
1960.08.15
申请人
JACOBSON EARL C
发明人
JACOBSON EARL C.
分类号
F42D1/08;F42D5/06
主分类号
F42D1/08
代理机构
代理人
主权项
地址
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