Pb

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Pb

Pb symbol for the element lead .

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"Pb." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. 3 Dec. 2009 <http://www.encyclopedia.com>.

"Pb." The Columbia Encyclopedia, Sixth Edition. 2008. Encyclopedia.com. (December 3, 2009). http://www.encyclopedia.com/doc/1E1-Pb.html

"Pb." The Columbia Encyclopedia, Sixth Edition. 2008. Retrieved December 03, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1E1-Pb.html

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Pb

The Oxford Pocket Dictionary of Current English | 2009 | © The Oxford Pocket Dictionary of Current English 2009, originally published by Oxford University Press 2009. (Hide copyright information) Copyright

Pb • symb. the chemical element lead.

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"Pb." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. 3 Dec. 2009 <http://www.encyclopedia.com>.

"Pb." The Oxford Pocket Dictionary of Current English. 2009. Encyclopedia.com. (December 3, 2009). http://www.encyclopedia.com/doc/1O999-pb005.html

"Pb." The Oxford Pocket Dictionary of Current English. 2009. Retrieved December 03, 2009 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O999-pb005.html

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