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发明名称
Pressure-fluid-operated devices and means for indicating the condition thereof
摘要
申请公布号
US3412391(A)
申请公布日期
1968.11.19
申请号
US19650496264
申请日期
1965.10.15
申请人
GULLICK LIMITED
发明人
WARD RICHARD
分类号
E21D23/08;E21D23/14;E21D23/18;F15B15/28;G01D5/06;G01D5/16;G01D5/165;G01D5/251
主分类号
E21D23/08
代理机构
代理人
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