发明名称 RESONANSBOTTEN FOR STRENGINSTRUMENT
摘要 A laminate soundboard for a piano or the like having a metal core of a modulus of elasticity and an inherent damping factor corresponding to steel of at least a grade St 34, and at least one outer cover layer of wood or plastic bonded thereto in full surface contact on each side thereof. The outer cover layers have a damping characteristic corresponding to that of wood.
申请公布号 SE436455(B) 申请公布日期 1984.12.10
申请号 SE19800002931 申请日期 1980.04.18
申请人 WILHELM SCHIMMEL PIANOFORTEFABRIK GMBH 发明人 G * SCHWICHTENBERG
分类号 B32B7/12;G10C3/06;(IPC1-7):10C3/06 主分类号 B32B7/12
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