JPS6419688U - - Google Patents

Info

Publication number

JPS6419688U

JPS6419688U JP11436887U JP11436887U JPS6419688U JP S6419688 U JPS6419688 U JP S6419688U JP 11436887 U JP11436887 U JP 11436887U JP 11436887 U JP11436887 U JP 11436887U JP S6419688 U JPS6419688 U JP S6419688U

Authority

JP

Japan

Prior art keywords

bucket

negative pressure

excavating device

prevention pipe

pressure prevention

Prior art date

1987-07-24

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

• 238000009412 basement excavation Methods 0.000 claims description 3
• 230000002265 prevention Effects 0.000 claims description 3
• 238000007599 discharging Methods 0.000 claims 1
• XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1

Cited By (1)