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经营范围
发明名称
SELF-CLEANING VALVE
摘要
申请公布号
US3583606(A)
申请公布日期
1971.06.08
申请号
USD3583606
申请日期
1969.10.20
申请人
PITTWAY CORP.
发明人
RONALD F. EWALD
分类号
B65D83/14;(IPC1-7):B65D83/14
主分类号
B65D83/14
代理机构
代理人
主权项
地址
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