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发明名称
Packing
摘要
申请公布号
US2261962(A)
申请公布日期
1941.11.11
申请号
US19390261197
申请日期
1939.03.11
申请人
JOHNS-MANVILLE CORPORATION
发明人
CHRISTENSON GEORGE
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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