파커 51 (Korean Wikipedia)

Analysis of information sources in references of the Wikipedia article "파커 51" in Korean language version.

refsWebsite

Global rank Korean rank

800^th place

1,296^th place

1,459^th place

763^rd place

low place

2,031^st place

1fountainpennetwork.com

low place

low place

espacenet.com

worldwide.espacenet.com

US patent 2223541, Martin S. Baker, "Fountain Pen", issued 1940-12-03
US patent, "Fountain Pen"

fountainpennetwork.com

ToasterPastry. “User”. 《Fountain Pen Network》. 2020년 4월 28일에 확인함.

pat2pdf.org

미국 디자인 특허 번호 116,097, 미국 특허 2,223,541 출원

uspto.gov

patft.uspto.gov

미국 디자인 특허 번호 116,097, 미국 특허 2,223,541 출원