JPH0410309U - - Google Patents

Info

Publication number

JPH0410309U

JPH0410309U JP5152890U JP5152890U JPH0410309U JP H0410309 U JPH0410309 U JP H0410309U JP 5152890 U JP5152890 U JP 5152890U JP 5152890 U JP5152890 U JP 5152890U JP H0410309 U JPH0410309 U JP H0410309U

Authority

JP

Japan

Prior art keywords

magnet

hole

lid body

core material

back surfaces

Prior art date

1990-05-17

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

• 239000011162 core material Substances 0.000 claims description 7
• 239000000463 material Substances 0.000 claims description 6
• 239000002184 metal Substances 0.000 claims description 4
• 238000010586 diagram Methods 0.000 description 1
• 238000005286 illumination Methods 0.000 description 1
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1