JPH0541160Y2 - - Google Patents

Info

Publication number

JPH0541160Y2

JPH0541160Y2 JP16453288U JP16453288U JPH0541160Y2 JP H0541160 Y2 JPH0541160 Y2 JP H0541160Y2 JP 16453288 U JP16453288 U JP 16453288U JP 16453288 U JP16453288 U JP 16453288U JP H0541160 Y2 JPH0541160 Y2 JP H0541160Y2

Authority

JP

Japan

Prior art keywords

opening

wall

main body

concrete pole

circumferential

Prior art date

1988-12-20

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.)

Expired - Lifetime

Links

• Espacenet
• Global Dossier
• Discuss

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• 238000009415 formwork Methods 0.000 description 4
• 230000000694 effects Effects 0.000 description 3
• 230000002093 peripheral effect Effects 0.000 description 3
• 230000001012 protector Effects 0.000 description 2
• 206010013952 Dysphonia Diseases 0.000 description 1
• 238000010521 absorption reaction Methods 0.000 description 1
• 230000032683 aging Effects 0.000 description 1
• 230000003796 beauty Effects 0.000 description 1
• 230000007797 corrosion Effects 0.000 description 1
• 238000005260 corrosion Methods 0.000 description 1
• 238000010586 diagram Methods 0.000 description 1
• 238000009434 installation Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1
• 230000035515 penetration Effects 0.000 description 1
• 208000011293 voice disease Diseases 0.000 description 1
• 208000023180 voice disturbance Diseases 0.000 description 1