JPS6423514U - - Google Patents

Info

Publication number

JPS6423514U

JPS6423514U JP11816887U JP11816887U JPS6423514U JP S6423514 U JPS6423514 U JP S6423514U JP 11816887 U JP11816887 U JP 11816887U JP 11816887 U JP11816887 U JP 11816887U JP S6423514 U JPS6423514 U JP S6423514U

Authority

JP

Japan

Prior art keywords

layer

board

waterproof layer

porous board

porous

Prior art date

1987-08-03

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

• 239000000463 material Substances 0.000 claims description 3
• 239000004568 cement Substances 0.000 claims description 2
• 229920003002 synthetic resin Polymers 0.000 claims 1
• 239000000057 synthetic resin Substances 0.000 claims 1
• 230000015572 biosynthetic process Effects 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000009415 formwork Methods 0.000 description 1
• 238000000034 method Methods 0.000 description 1