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发明名称
Self-closing outlet-fitting for air-gauges
摘要
申请公布号
US1920441(A)
申请公布日期
1933.08.01
申请号
US19320590101
申请日期
1932.02.01
申请人
SWOLE PAUL C
发明人
SWOLE PAUL C.
分类号
B60S5/04
主分类号
B60S5/04
代理机构
代理人
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