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经营范围
发明名称
A method of embodying a relief and/or bye-pass valve in pumps
摘要
申请公布号
GB445211(A)
申请公布日期
1936.04.06
申请号
GB19340032995
申请日期
1934.11.16
申请人
JOSEPH EVANS & SONS (WOLVERHAMPTON) LIMITED;EDWIN LEA
发明人
分类号
F04B49/10
主分类号
F04B49/10
代理机构
代理人
主权项
地址
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