Title:
オーバーヘッドドアに取り付けられる衝撃緩和装置及びそれを備えたオーバーヘッドドア
Document Type and Number:
Japanese Patent JP6978535
Kind Code:
B2
Inventors:
Hironori Takashima
Application Number:
JP2020032514A
Publication Date:
December 08, 2021
Filing Date:
February 28, 2020
Export Citation:
Assignee:
Kongo Sangyo Co., Ltd.
International Classes:
E05F5/02; E05F1/16; E05F3/00; E05F3/14
Domestic Patent References:
JP2012241384A | ||||
JP2008208546A | ||||
JP2017008610A | ||||
JP2012219459A | ||||
JP10153069A |
Attorney, Agent or Firm:
Kijuro Kawakita
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