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经营范围
发明名称
Heater for livestock watering tanks
摘要
申请公布号
US2716977(A)
申请公布日期
1955.09.06
申请号
US19530330413
申请日期
1953.01.09
申请人
OTIS LOYLES RUDOLPH;WALKER JOHN W
发明人
LOYLES RUDOLPH OTIS;WALKER JOHN W.
分类号
A01K7/02
主分类号
A01K7/02
代理机构
代理人
主权项
地址
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