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经营范围
发明名称
Air valve vacuum control
摘要
申请公布号
US2223821(A)
申请公布日期
1940.12.03
申请号
US19380243148
申请日期
1938.11.30
申请人
BORG-WARNER CORPORATION
发明人
GRANNAN WILLIAM D.;KELLY WINTON J.
分类号
F02D1/00
主分类号
F02D1/00
代理机构
代理人
主权项
地址
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