JPS61194009U - - Google Patents

Info

Publication number

JPS61194009U

JPS61194009U JP7796885U JP7796885U JPS61194009U JP S61194009 U JPS61194009 U JP S61194009U JP 7796885 U JP7796885 U JP 7796885U JP 7796885 U JP7796885 U JP 7796885U JP S61194009 U JPS61194009 U JP S61194009U

Authority

JP

Japan

Prior art keywords

groove

shaped part

inorganic solids

ventilation opening

ventilation

Prior art date

1985-05-25

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 4
• 229910003480 inorganic solid Inorganic materials 0.000 claims 2
• 239000007787 solid Substances 0.000 description 1

Cited By (1)