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发明名称
APPARATUS AND METHOD FOR THAWING FROZEN GROUND
摘要
申请公布号
CA780118(A)
申请公布日期
1968.03.12
申请号
CAD780118
申请日期
申请人
JAMES H. COX;WOODROW S. SCHILLING;WILLIAM T. HOCH
发明人
JAMES H. COX;WOODROW S. SCHILLING;WILLIAM T. HOCH
分类号
主分类号
代理机构
代理人
主权项
地址
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