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发明名称
Packing device
摘要
申请公布号
US1996953(A)
申请公布日期
1935.04.09
申请号
US19320595720
申请日期
1932.02.29
申请人
WALWORTH PATENTS INC.
发明人
COTTON CHARLES H.;ROSELUND JOHN B.
分类号
F16K41/02
主分类号
F16K41/02
代理机构
代理人
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地址
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