JPS63187606U - - Google Patents

Info

Publication number

JPS63187606U

JPS63187606U JP8020087U JP8020087U JPS63187606U JP S63187606 U JPS63187606 U JP S63187606U JP 8020087 U JP8020087 U JP 8020087U JP 8020087 U JP8020087 U JP 8020087U JP S63187606 U JPS63187606 U JP S63187606U

Authority

JP

Japan

Prior art keywords

ventilation

joint structure

exterior

utility

model registration

Prior art date

1987-05-27

Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)

Pending

Links

• Espacenet
• Global Dossier
• Discuss

• 238000009423 ventilation Methods 0.000 claims description 8
• 238000004080 punching Methods 0.000 claims 1