Title:
【考案の名称】熱風融雪式の踏切遮断機
Document Type and Number:
Japanese Patent JP2508144
Kind Code:
Y2
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Inventors:
Minoru Fujii
Hisao Watanabe
Hisao Watanabe
Application Number:
JP40418590U
Publication Date:
August 21, 1996
Filing Date:
December 21, 1990
Export Citation:
Assignee:
Nippon Signal Co., Ltd.
International Classes:
B61L29/04; E01F13/00; E01F13/04; (IPC1-7): B61L29/04; E01F13/00
Domestic Patent References:
| JP59157961U | ||||
| JP1136523U | ||||
| JP265670U | ||||
| JP269571U | ||||
| JP2132727U |
Attorney, Agent or Firm:
Shigee Nomura (1 outside)