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发明名称
Metallic packing
摘要
申请公布号
US2353226(A)
申请公布日期
1944.07.11
申请号
US19410402500
申请日期
1941.07.15
申请人
JOHNS-MANVILLE CORPORATION
发明人
DRISCOLL JAMES;SR. WALTER M. DE WITT,
分类号
F16J15/22
主分类号
F16J15/22
代理机构
代理人
主权项
地址
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