JPH0162196U - - Google Patents

Info

Publication number

JPH0162196U

JPH0162196U JP15803387U JP15803387U JPH0162196U JP H0162196 U JPH0162196 U JP H0162196U JP 15803387 U JP15803387 U JP 15803387U JP 15803387 U JP15803387 U JP 15803387U JP H0162196 U JPH0162196 U JP H0162196U

Authority

JP

Japan

Prior art keywords

propulsion

propulsion device

helical

recess

plate

Prior art date

1987-10-15

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

• 230000000149 penetrating effect Effects 0.000 claims 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1
• 230000002093 peripheral effect Effects 0.000 description 1

Cited By (2)