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发明名称
Automatic leveling mechanism for concrete slab laying machines
摘要
申请公布号
US2844882(A)
申请公布日期
1958.07.29
申请号
US19550540808
申请日期
1955.10.17
申请人
GUNTERT & ZIMMERMAN CONST. DIV., INC.
发明人
EARLEY WILBUR;PUCKETT ROBERT L.
分类号
B62D55/116;E01C19/48
主分类号
B62D55/116
代理机构
代理人
主权项
地址
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