JPH0486918U - - Google Patents

Info

Publication number

JPH0486918U

JPH0486918U JP12958090U JP12958090U JPH0486918U JP H0486918 U JPH0486918 U JP H0486918U JP 12958090 U JP12958090 U JP 12958090U JP 12958090 U JP12958090 U JP 12958090U JP H0486918 U JPH0486918 U JP H0486918U

Authority

JP

Japan

Prior art keywords

synthetic resin

pollen

months

transparent window

scale indicating

Prior art date

1990-11-30

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

• 229920003002 synthetic resin Polymers 0.000 claims description 8
• 239000000057 synthetic resin Substances 0.000 claims description 8
• 230000004048 modification Effects 0.000 description 1
• 238000012986 modification Methods 0.000 description 1