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作者: Zyozi Yamasita , Keniti Yamasita
DOI:
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摘要: Apparatus for depositing different sized aggregate in separate portions of a mold to produce molded concrete slab or block having three adjacent layers arranged with vertical interfaces.
,2000, 引用: 21
,1997, 引用: 18
,2002, 引用: 19
,1994, 引用: 5
,2013, 引用: 11
,1998, 引用: 28
,2009, 引用: 1
,1977, 引用: 6
,1982, 引用: 19
,2001, 引用: 2