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发明名称
Mattress and heating means therefor
摘要
申请公布号
US1957401(A)
申请公布日期
1934.05.01
申请号
US19330696416
申请日期
1933.11.02
申请人
FRITZ WIEDENMANN
发明人
WIEDENMANN FRITZ
分类号
H05B3/34
主分类号
H05B3/34
代理机构
代理人
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