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发明名称
Apparat til lukning af udtømningsåbningen fra et kokskammer.
摘要
申请公布号
DK79917(C)
申请公布日期
1955.10.03
申请号
DK19520004034
申请日期
1952.12.17
申请人
WEST'S GAS IMPROVEMENT COMPANY LIMITED
发明人
分类号
主分类号
代理机构
代理人
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