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发明名称
Valve tool for charging and discharging refrigeration systems
摘要
申请公布号
US2923312(A)
申请公布日期
1960.02.02
申请号
US19530386567
申请日期
1953.10.16
申请人
WILLIAM WAGNER
发明人
WAGNER WILLIAM
分类号
F25B45/00
主分类号
F25B45/00
代理机构
代理人
主权项
地址
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