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发明名称
Valve mechanism
摘要
申请公布号
US2506872(A)
申请公布日期
1950.05.09
申请号
US19450600306
申请日期
1945.06.19
申请人
HUTHSING CHARLES K
发明人
HUTHSING CHARLES K.
分类号
A62C99/00;F16K1/30
主分类号
A62C99/00
代理机构
代理人
主权项
地址
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