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发明名称
Valveless vacuum-operated fluid circulating device for cleaning hollow objects such as teat cups and milk tubes
摘要
申请公布号
US2595539(A)
申请公布日期
1952.05.06
申请号
US19480021716
申请日期
1948.04.17
申请人
HALL LABORATORIES, INC.
发明人
JR. FRANKLIN T. REDMAN,
分类号
A01J7/02
主分类号
A01J7/02
代理机构
代理人
主权项
地址
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