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发明名称
Method for making and harvesting ice using ultrasonic vibrators
摘要
申请公布号
US3224213(A)
申请公布日期
1965.12.21
申请号
US19640383304
申请日期
1964.07.17
申请人
HOYT JR EARL E
发明人
JR. EARL E. HOYT,
分类号
F25C1/18
主分类号
F25C1/18
代理机构
代理人
主权项
地址
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