Railway rail supporting pad

A railway rail supporting pad, comprising an outer bag (1) made of a synthetic resin sheet housing a first inner bag (3) and a second inner bag (2), the first inner bag containing a first reaction solution, the second inner bag containing a second reaction solution, the first and the second inner ba...

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Bibliographische Detailangaben
1. Verfasser: KAWAI, SHOJI
Format: Patent
Sprache:eng ; fre ; ger
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