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发明名称
Piston packing
摘要
申请公布号
US2362673(A)
申请公布日期
1944.11.14
申请号
US19400312757
申请日期
1940.01.06
申请人
SMITH DALLAS M
发明人
SMITH DALLAS M.
分类号
F16J9/06;F16J9/20
主分类号
F16J9/06
代理机构
代理人
主权项
地址
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