JPS644906Y2 - - Google Patents

Info

Publication number

JPS644906Y2

JPS644906Y2 JP4468480U JP4468480U JPS644906Y2 JP S644906 Y2 JPS644906 Y2 JP S644906Y2 JP 4468480 U JP4468480 U JP 4468480U JP 4468480 U JP4468480 U JP 4468480U JP S644906 Y2 JPS644906 Y2 JP S644906Y2

Authority

JP

Japan

Prior art keywords

water collection

groundwater

side plates

joining

plate

Prior art date

1980-04-04

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

Links

• Espacenet
• Global Dossier
• Discuss

• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 36
• 239000003673 groundwater Substances 0.000 description 19
• 239000013049 sediment Substances 0.000 description 5
• 238000010276 construction Methods 0.000 description 3
• 238000004519 manufacturing process Methods 0.000 description 3
• 239000004570 mortar (masonry) Substances 0.000 description 3
• 239000004576 sand Substances 0.000 description 3
• 239000000463 material Substances 0.000 description 1
• 238000000034 method Methods 0.000 description 1
• 238000000465 moulding Methods 0.000 description 1