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发明名称
EXTRAKTION AV OLJESKIFFER OCH OLJESAND
摘要
申请公布号
SE7700474(L)
申请公布日期
1978.07.19
申请号
SE19770000474
申请日期
1977.01.18
申请人
COAL INDUSTRY PATENTS LTD
发明人
WILLIAMS D F;MARTIN T G
分类号
C10G1/04;(IPC1-7):C10G1/04
主分类号
C10G1/04
代理机构
代理人
主权项
地址
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