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发明名称
Rotary slide valve
摘要
申请公布号
US1824511(A)
申请公布日期
1931.09.22
申请号
US19270190443
申请日期
1927.05.11
申请人
WALTER SPIESER
发明人
SPIESER WALTER
分类号
F16K5/20
主分类号
F16K5/20
代理机构
代理人
主权项
地址
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