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发明名称
Method for forming shaped small objects
摘要
申请公布号
US2169280(A)
申请公布日期
1939.08.15
申请号
US19370173036
申请日期
1937.11.05
申请人
PFANSTIEHL CHEMICAL COMPANY
发明人
PFANSTIEHL CARL
分类号
B22F3/02
主分类号
B22F3/02
代理机构
代理人
主权项
地址
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