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发明名称
Follow-up valve
摘要
申请公布号
US2753730(A)
申请公布日期
1956.07.10
申请号
US19520269664
申请日期
1952.02.02
申请人
ELECTROL INCORPORATED
发明人
ASHTON BENJAMIN N.;BARKOW EUGENE V.;PESSLER HENRY VON
分类号
F15B9/12
主分类号
F15B9/12
代理机构
代理人
主权项
地址
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