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发明名称
Antifreeze saver
摘要
申请公布号
US2021213(A)
申请公布日期
1935.11.19
申请号
US19350007633
申请日期
1935.02.21
申请人
EDWARD WALKER WALTER
发明人
WALKER WALTER EDWARD
分类号
F01P11/02
主分类号
F01P11/02
代理机构
代理人
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