JPS61115320U - - Google Patents

Info

Publication number

JPS61115320U

JPS61115320U JP19783484U JP19783484U JPS61115320U JP S61115320 U JPS61115320 U JP S61115320U JP 19783484 U JP19783484 U JP 19783484U JP 19783484 U JP19783484 U JP 19783484U JP S61115320 U JPS61115320 U JP S61115320U

Authority

JP

Japan

Prior art keywords

gypsum

core material

gypsum board

waterproof sheet

utility

Prior art date

1984-12-27

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

• 229910052602 gypsum Inorganic materials 0.000 claims description 4
• 239000010440 gypsum Substances 0.000 claims description 4
• 239000011162 core material Substances 0.000 claims description 2
• 238000000034 method Methods 0.000 description 2
• 238000010586 diagram Methods 0.000 description 1
• 238000004519 manufacturing process Methods 0.000 description 1