JPS63139828U - - Google Patents

Info

Publication number

JPS63139828U

JPS63139828U JP3075287U JP3075287U JPS63139828U JP S63139828 U JPS63139828 U JP S63139828U JP 3075287 U JP3075287 U JP 3075287U JP 3075287 U JP3075287 U JP 3075287U JP S63139828 U JPS63139828 U JP S63139828U

Authority

JP

Japan

Prior art keywords

holder

opening

filter material

shaped

presser

Prior art date

1987-03-03

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

• 239000000463 material Substances 0.000 claims description 3
• 238000000605 extraction Methods 0.000 claims description 2
• 230000002093 peripheral effect Effects 0.000 claims 1
• 239000000470 constituent Substances 0.000 description 2
• 238000007796 conventional method Methods 0.000 description 1