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发明名称
Tieftemperatur-Schwelverfahren fuer Steinkohle
摘要
申请公布号
DE580978(C)
申请公布日期
1933.07.19
申请号
DE1927N027810D
申请日期
1927.09.06
申请人
HARALD NIELSEN;WILLIAM GOSSELIN TROWER
发明人
分类号
C10G1/02
主分类号
C10G1/02
代理机构
代理人
主权项
地址
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