JPS61184702U - - Google Patents

Info

Publication number

JPS61184702U

JPS61184702U JP6688486U JP6688486U JPS61184702U JP S61184702 U JPS61184702 U JP S61184702U JP 6688486 U JP6688486 U JP 6688486U JP 6688486 U JP6688486 U JP 6688486U JP S61184702 U JPS61184702 U JP S61184702U

Authority

JP

Japan

Prior art keywords

ballast

bottom plate

outflow prevention

block

prevention block

Prior art date

1986-05-06

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.)

Granted

Links

• Espacenet
• Global Dossier
• Discuss

• 230000002265 prevention Effects 0.000 claims description 11
• 238000009825 accumulation Methods 0.000 claims 2
• 239000011248 coating agent Substances 0.000 claims 1
• 238000000576 coating method Methods 0.000 claims 1
• 230000008021 deposition Effects 0.000 description 2
• 238000010276 construction Methods 0.000 description 1

Cited By (1)