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发明名称
HEIZROLLE
摘要
申请公布号
DE2747149(A1)
申请公布日期
1978.05.03
申请号
DE19772747149
申请日期
1977.10.20
申请人
RICOH CO.,LTD.
发明人
NAMIKI,RYOICHI;HAYASHI,YASURO
分类号
F28D15/02;G03G15/20;(IPC1-7):G03G15/20
主分类号
F28D15/02
代理机构
代理人
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