Title:
Sheet shutter
Document Type and Number:
Japanese Patent JP6068940
Kind Code:
B2
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| JP6563217 | Fireproof structure of the shutter |
Inventors:
Tsuyoshi Okawa
Application Number:
JP2012248911A
Publication Date:
January 25, 2017
Filing Date:
November 13, 2012
Export Citation:
Assignee:
Sanwa Shutter Corporation
International Classes:
E06B9/17
Domestic Patent References:
| JP2004251021A | ||||
| JP2001012174A |
Attorney, Agent or Firm:
Shigeru Inaba