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Keyword	CPC	PCC	Volume	Length string	Score
1960s promotional mechanical pencil	0.53	0.7	3413	35	81
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vintage mechanical pencils brands	1.98	0.3	1171	33	21
vintage mechanical pencils amazon	0.09	0.8	133	33	3
history of the mechanical pencil	0.79	0.8	9128	32	95
the first mechanical pencil	1.74	0.4	2913	27	93
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vintage mechanical pencils ebay	1.22	0.4	6994	31	70
vintage mechanical pencils reviews	1.48	0.6	3097	34	96
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vintage mechanical pencils collectors	1.46	1	3780	37	84
retro 1951 mechanical pencil	1.9	0.8	5238	28	60
vintage mechanical pencils guide	1.86	0.9	7997	32	5
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vintage mechanical pencils value	0.8	0.8	3088	32	87
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american made mechanical pencils	1.96	0.1	9201	32	99
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mechanical pencils on sale	1.38	1	3323	26	92
who invented mechanical pencils	0.55	0.5	340	31	33

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